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Round|Lab Grown|IGI

1.30ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG770639391

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770639391

Diamond specifications and retailer prices

From $222 SGD
As of November 5, 2026
Save $1,062 SGD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,284 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770639391 or 770639391. Listed at 16 retailers as of November 5, 2026, with prices from $222 to $1,284, a $1,062 spread on the same certified stone. MOH London lists it at $1,284. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.30
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770639391
Dimensions6.99 × 7.04 × 4.29 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.99 mm7.04 mm1.30 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770639391
Side View
Table 59.0%Crown 34.3°Girdle: MediumPavilion 41°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,284 SGD|Low: $222 SGD|High: $1,302 SGD|Avg: $618 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$222 SGD
Retailer 8$276 SGD
Retailer 2$473 SGD
Retailer 4$486 SGD
Retailer 9$492 SGD
Retailer 10$599 SGD
Retailer 5$679 SGD
Retailer 3$769 SGD
Retailer 6$934 SGD
MOH London$1,284 SGD

45 data points across 10 retailers

16 retailers$222 SGD to $1,284 SGD

A
Cheapest Retailer
-
$222 SGD
A
Retailer 2
-
$258 SGD
View
A
Retailer 3
-
$276 SGD
View
Retailer 4
-
$276 SGD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$473 SGD
View
A
Retailer 6
-
$486 SGD
View
B+
Retailer 7
-
$492 SGD
View
A
Retailer 8
-
$538 SGD
View
A
Retailer 9
-
$599 SGD
View
B+
Retailer 10
-
$679 SGD
View
B+
Retailer 11
-
$701 SGD
View
B+
Retailer 12
-
$769 SGD
View
B+
Retailer 13
-
$886 SGD
View
B+
Retailer 14
-
$934 SGD
View
B+
Retailer 15
-
$955 SGD
View
Most Expensive
B
MOH London
LG770639391 · Nov 5
$1,284 SGD
£789 GBP
View
15 more retailers have this diamond
Prices start from $222 SGDSave up to $1,062 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.30ct Round
$222 SGD